code: def tearDownClass(cls):
      pass
  
file_path: image-super-resolution/tests/models/test_models.py
imports: import os
  import unittest
  import yaml
  import numpy
  from tensorflow.keras.optimizers import Adam
  from ISR.models.rrdn import RRDN
  from ISR.models.rdn import RDN
  from ISR.models.discriminator import Discriminator
  from ISR.models.cut_vgg19 import Cut_VGG19
label_desc: Use image node_id 2 for calling the ModelsClassTest obj's underlying member method code with example usage: obj.tearDownClass(cls) without return types